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After a concussion, many people experience light sensitivity, also known as photophobia. Bright lights, screens, and even natural daylight can cause discomfort, headaches, dizziness, or eye strain. This symptom can make daily activities challenging, but with the right strategies, you can manage light sensitivity and support your recovery.
At In Step Physiotherapy , we specialize in concussion physiotherapy Edmonton and can help you regain comfort and function after your injury.
Why Does Light Sensitivity Occur After a Concussion?
A concussion affects the brain’s ability to process sensory input, including light. Photophobia may result from:
✔ Disrupted brain pathways – A concussion can alter how the brain processes visual signals.
✔ Irritated optic nerve – The nerve responsible for vision may become more sensitive.
✔ Eye strain – Difficulty focusing and adjusting to light changes can cause discomfort.
✔ Vestibular dysfunction – Issues with the inner ear and balance system can heighten light sensitivity.
Symptoms of Post-Concussion Light Sensitivity
✔ Discomfort in bright light or with screens
✔ Worsening headaches in bright environments
✔ Dizziness or nausea in artificial lighting
✔ Difficulty reading or using digital devices
How to Manage Light Sensitivity
1️⃣ Adjust Your Environment
✔ Use soft, warm lighting instead of harsh fluorescent lights.
✔ Wear blue light-blocking glasses when using screens.
✔ Reduce glare with adjustable blinds or curtains.
2️⃣ Modify Screen Time
✔ Lower screen brightness and use dark mode on devices.
✔ Take frequent breaks—the 20-20-20 rule (look 20 feet away for 20 seconds every 20 minutes) helps reduce eye strain.
✔ Use anti-glare filters on screens.
3️⃣ Wear Tinted Glasses or Lenses
✔ FL-41 tinted glasses can help reduce sensitivity to light.
✔ Polarized sunglasses protect against glare when outdoors.
4️⃣ Gradual Light Exposure Therapy
✔ Avoid complete darkness—it can increase sensitivity.
✔ Slowly expose yourself to different light levels in a controlled manner.
5️⃣ Seek Physiotherapy for Post-Concussion Recovery
At In Step Physiotherapy in Edmonton, our concussion specialists provide:
✔ Vestibular therapy – Helps retrain the brain’s response to visual stimuli.
✔ Oculomotor exercises – Improve eye coordination and focus.
✔ Manual therapy – Addresses neck tension that may contribute to headaches and sensitivity.
When to See a Physiotherapist
If light sensitivity persists for more than a few weeks or worsens, concussion rehabilitation can help restore normal function. Our team at In Step Physiotherapy will assess your symptoms and create a personalized treatment plan to support your recovery.
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